[who_would_fardels_bear]

The sad thing is that in order to keep the block chain from getting too big the NFTs tend to be simple small JPEGs.

To save even more space, some NFTs aren't even a graphics file. Instead, it's just a link to a site which may or may not still show the graphics image.

There's all this hype that block chains can be used to securely save contracts, medical records, etc. but the truth is that if entire documents are stored on the block chain then it will explode.

[TexasGator]

“The sad thing is that in order to keep the block chain from getting too big the NFTs tend to be simple small JPEGs.”

An NFT can represent anything, even real objects.